LMS Compound 4-4-0 explained

LMS 4P Compound 4-4-0
Powertype:	Steam
Designer:	Henry Fowler
Builder:	LMS Derby (75) LMS Horwich (20); North British Locomotive Company (25) Vulcan Foundry (75)
Builddate:	1924–1932
Totalproduction:	195
Whytetype:	4-4-0
Uicclass:	2′B h3v
Leadingdiameter:	3feet
Driverdiameter:	6feet
Length:	56feet
Wheelbase:	Loco: 24feet
Locoweight:	61.7abbr=onNaNabbr=on
Tenderweight:	41.2–
Fueltype:	Coal
Fuelcap:	4-
Watercap:	3500impgal
Boiler:	G9AS
Boilerpressure:	200lbf/in2
Firearea:	28.5square feet
Tubesandflues:	1170square feet
Fireboxarea:	147square feet
Superheaterarea:	290square feet or 272square feet
Hpcylindersize:	19x
Lpcylindersize:	21x
Valvegear:	Stephenson
Tractiveeffort:	226502NaN2
Trainbrakes:	Vacuum
Powerclass:	4P
Withdrawndate:	1952–1961
Disposition:	All scrapped

The London, Midland and Scottish Railway Compound 4-4-0 was a class of steam locomotive designed for passenger work.^[1]

Overview

One hundred and ninety five engines were built by the LMS, adding to the 45 Midland Railway 1000 Class, to which they were almost identical. The most obvious difference is that the driving wheel diameter was reduced from 7feet on the Midland locomotive to 6feet on the LMS version.They were given the power classification 4P.

The LMS continued the Midland numbering from 1045 to 1199 and then started in the lower block of 900–939. After nationalisation in 1948, BR added 40000 to their numbers so they became 40900–40939 and 41045–41199.^[2]

Table of orders! LMS No. !! BR No. !! Lot No. !! Date built !! Built by !! Nos.
1045–1084	41045–41084	6	1924
1085–1114	41085–41114	16	1925	Derby Works
1115–1130	41115–41130	17	1925
1131–1134	41131–41134	17	1926	Horwich Works
1135–1159	41135–41159	18	1925		23229–53
1160–1184	41160–41184	19	1925		3833–3857
1185–1199	41185–41199	38	1927	Vulcan Foundry	3998–4012
	40900–40909	38	1927	Vulcan Foundry	4013–4022
	40910–40924	38	1927	Vulcan Foundry	4033–4047
	40925–40934	38	1927	Vulcan Foundry	4023–4032
	40935–40939	90	1932	Derby Works

40933 was later fitted with a Stanier 3500 gallon tender from 40936.^[2]

40936 was fitted to a Stanier 3500 gallon tender. Later fitted to 40933.^[2]

Accidents and incidents

On 8 January 1929, locomotive 1060 was hauling an express passenger train from Bristol to Leeds, Yorkshire when it overran signals at, Gloucestershire and collided with a freight train that was being shunted. Four people were killed.^[3] ^[4]
On 13 March 1935, locomotive No. 1165 was hauling a milk train that was in a rear-end collision with an express freight train, hauled LNWR Claughton Class 4-6-0 No. 5946, at King's Langley, Hertfordshire due to a signalman's error. Two other freight trains collided with the wreckage. One of these trains was hauled by LMS Patriot Class 4-6-0 No. 5511 and the other was a coal train, being hauled by LMS Class 7F 0-8-0 No. 9598. 1 person was killed.^[5]

Withdrawal

The class were withdrawn between 1952 and 1961. None have survived into preservation, though the first of the Midland 1000 Class engines has.^[6] There is an unconfirmed report that No. 41168 was the subject of an unsuccessful preservation attempt by Dr. Peter Beet.^[7]

Table of withdrawals! Year !! Quantity in
service at
start of year !! Quantity
withdrawn !! Locomotive numbers
1952	195	6	align=left	40911/18/22, 41109/71/82.
1953	189	13	align=left	40905, 41046/52/55–57/92/99, 41125/45/48/78/84.
1954	176	23	align=left	40901/14/19/23, 41047/51/54/58/74/80/82/84/87/96, 41110/15/33–34/38–39/41/46/74.
1955	153	37	align=left	40903/06/08/12–13/15–16/21/24, 41059/61/67/69–70/72/76/81/91, 41104/07/17/24/26/27/30/35–36/49/54/61/69/75–77/83/88/98.
1956	116	27	align=left	40900/02/09–10/17/29/32/38–39, 41050/53/65/79/88/97, 41126/28/31–32/37/42/47/60/66/70/87/91.
1957	89	34	align=left	40904/26–27/30/34, 41045/48/64/73/75/77/85/89/98, 41103/05/08/12/16/40/50–51/53/55/72/79–81/85–86/92/94–95/97.
1958	55	36	align=left	40920/28/31/33/35/37, 41060/66/68/71/78/83/86/90/93/95, 41102/06/11/13–14/18–19/22/44/52/56/59/63–64/67/89–90/93/96/99.
1959	19	13	align=left	40925, 41049/62/94, 41100–01/20–21/23/43/58/65/73.
1960	6	4	align=left	40907, 41063, 41157/62.
1961	2	2	align=left	40936, 41168.

Model railways

In 2013, Bachmann Branchline introduced a OO gauge model of locomotive 1189 in LMS black livery.^[8]

References

Sources

Ian Allan ABC of British Railways Locomotives, 1948 Edition, part 3, pp 5–6
David Hunt, John Jennison and Bob Essery. LMS Locomotive Profiles No. 13: The Standard Compounds

External links

Class 4P-A Details at Rail UK

Notes and References

Web site: 4-4-0 Midland Compound express passenger locomotive N0.1000 . Srpsmuseum.org.uk . 2012-03-07 . 2014-06-12.
Web site: Monument Lane Shed - View of ex-LMS 4P 4-4-0 Compound No 40936 coupled to the experimental Stanier 3500 gallon tender . Warwickshirerailways.com . 2014-06-12.
Book: Trevena, Arthur . Trains in Trouble . 1 . Atlantic Books . Redruth . 1980 . 36 . 0-906899-01-X.
Web site: Report on the Accident at Ashchurch on 8th January 1929 . Ministry of Transport . 5 March 1929 . 10 June 2014.
Book: Hall, Stanley . The Railway Detectives . 1990 . Ian Allan . London . 0-7110-1929-0 . 99 .
Web site: Steam Locomotives of a More Leisurely Era 1902 – 4-4-0 Compounds Midland Railway | Chasewaterstuff's Railway & Canal Blog . Chasewaterstuff.wordpress.com . 2013-01-14 . 2014-06-12.
Web site: Monument Lane Shed - View of ex-LMS 4P 4-4-0 Compound No 40936 coupled to the experimental Stanier 3500 gallon tender . Warwickshire Railways . 9 December 2020.
Bachmann LMS 'Compound' 4-4-0. Richard. Foster. Model Rail. 36–37. 178. February 2013. Peterborough. Bauer. 1369-5118. 173324502.